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New Video Shows Smoking Reactors

This transcript has been automatically generated and may not be 100% accurate.

go ... Japan's Defense Ministry released footage Friday of smoking reactors at the Fukushima nuclear power plant ... the video footage shot from circling helicopters shows white smoke rising above the ruined buildings containing to reactors ... Engineers in Tokyo Electric power Company staff have been working around the clock to contain the world's worst atomic disaster and twenty five years ... three workers helping in the effort to cool down the reactor were exposed to radiation levels ten thousand times higher than normal on Thursday ... but officials are playing down suggestions the reactor is leaking ... the United States is sending two barges to the plant ... the vessels together will be capable of carrying some five hundred and twenty five thousand gallons of fresh water to cool the reactors ... the magnitude nine quake and ensuing tsunami that Korean from the Pacific killed at least nine thousand eight hundred and eleven people ... and another seventeen thousand five hundred and forty one are still missing ... Travis Sprecher ... Reuters ...